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The Determination of Free-SiO_2 in Rocks, Minerals and Dusts[J]. Rock and Mineral Analysis, 2002, (1): 71-73.
Citation: The Determination of Free-SiO_2 in Rocks, Minerals and Dusts[J]. Rock and Mineral Analysis, 2002, (1): 71-73.

The Determination of Free-SiO_2 in Rocks, Minerals and Dusts

  • The sample decomposition method in analysis of free SiO 2 in rocks, minerals and dusts was improved. Sulphuric phosphoric mixed acid was used instead of phosphoric acid alone to avoid the formation of pyrophosphates. And the solubility of free SiO 2
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